As the twentieth century began, the need to maintain and research large animals in a more natural environment became clear.

It arises from the need to maintain law and order.

People no longer felt the need to maintain a respectful silence about the war.

People have a psychological need to maintain stability and order in their lives.

Residents here speak of the need to maintain their identity.

The need to maintain the planet's biodiversity is a matter of life or death.

She knew the need to maintain the integrity of a crime scene.

One thing they all agree on is the need to maintain women's voices in politics.

The reason given was the need to maintain public order.

Of course there's no need for anyone to maintain a complete list, as it's all fraud.

These would be cut $1.7 billion below what's needed to maintain the two million people getting help.

We need to maintain the critical approach and system of conditions now in place.

"But you need very little training just to maintain it."

He had said the money was needed to maintain the existing level of social services.

But $6 million is still needed to maintain current bus service.

To sell this deal to my own people I need to maintain a high level of fear.

Above all, we need to maintain a sense of perspective.

All of these rights and laws are needed to maintain their lives in prison.

Living things also need certain chemicals to maintain their health.

After all, this is about an international world standard, and we will need to maintain very high standards.